Home / 1,235.46-1,851.36-1,004.76

Finding the Fourth Proportional to 1,235.46, 1,851.36 and 1,004.76

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Solution

The fourth proportional to 1,235.46, 1,851.36 and 1,004.76 is: 1,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235.46 : 1,851.36 = 1,004.76 : x
  2. Step 2: Convert to fraction form
    1,235.46/1,851.36 = 1,004.76/x
  3. Step 3: Cross multiply
    1,235.46x = 1,851.36 × 1,004.76
  4. Step 4: Simplify right side
    1,235.46x = 1,860,172.47
  5. Step 5: Solve for x
    x = 1,860,172.47/1,235.46
  6. Step 6: Final answer
    x = 1,505.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.